A measuring instrument and a method of remote quantity value transfer/traceability are provided. The measuring instrument includes a central processing component, a local quantity value transfer/traceability component connected to the central processing component, a remote quantity value transfer/traceability component connected to the central processing component and a remote communication component connected to the central processing component; a metrological grade of the remote quantity value transfer/traceability component is greater than or equal to that of the local quantity value transfer/traceability component; the remote quantity value transfer/traceability component is configured to perform quantity value transfer/traceability to the local quantity value transfer/traceability component by using one of the in-machine metrological standard and the remote high-grade metrological standard provided from the remote quantity value transfer/traceability component. The method of remote quantity value transfer/traceability can be achieved to make the quantity value transfer/traceability of the measuring instrument very convenient, simple and less costly.
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7. The measuring instrument according to claim 1, wherein the remote quantity value transfer/traceability component comprises an in-machine high-grade metrological standard component, and the in-machine high-grade metrological standard component is configured to at least provide at least one of high-grade metrological standards of a “zero” value, a “full scale” value and a “median” value in a measurement range of the local quantity value transfer/traceability module.
10. The measuring instrument according to claim 1, wherein the remote quantity value transfer/traceability component comprises an in-machine high-grade metrological standard component and a quantity value transfer/traceability standard switching component connected with the in-machine high-grade metrological standard component, and the quantity value transfer/traceability standard switching component is configured to perform remote quantity value transfer/traceability to the in-machine high-grade metrological standard component according to the remote high-grade metrological standard obtained from the remote communication component.
12. The measuring instrument according to claim 11, wherein the central processing component is configured to send a metrological result of the local quantity value transfer/traceability component to an external device through the remote communication component.
17. The method of remote quantity value transfer/traceability of the measuring instrument according to claim 15, wherein the measuring instrument is selected from the group consisting of a voltage measuring instrument, a current measuring instrument, a resistance measuring instrument, a capacitance measuring instrument, an inductance measuring instrument, a temperature measuring instrument, a humidity measuring instrument, a weight measuring instrument, a pressure measuring instrument and a liquid level measuring instrument; the remote high-grade metrological standard correspondingly is selected from the group consisting of a voltage measuring standard, a current measuring standard, a resistance measuring standard, a capacitance measuring standard, an inductance measuring standard, a temperature measuring standard, a humidity measuring standard, a weight measuring standard, a pressure measuring standard and a liquid level measuring standard.
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November 11, 2021
August 6, 2024
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